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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.aai.rest.search;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.when;
import java.util.*;
import java.util.stream.Collector;
import java.util.stream.Collectors;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
import org.apache.tinkerpop.gremlin.structure.Graph;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraph;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.introspection.Loader;
import org.onap.aai.introspection.LoaderFactory;
import org.onap.aai.introspection.ModelType;
import org.onap.aai.introspection.Version;
import org.onap.aai.query.builder.GremlinTraversal;
import org.onap.aai.serialization.db.EdgeRules;
import org.onap.aai.serialization.db.exceptions.NoEdgeRuleFoundException;
import org.onap.aai.serialization.engines.QueryStyle;
import org.onap.aai.serialization.engines.TransactionalGraphEngine;
public abstract class QueryTest {
private EELFLogger logger;
protected Graph graph;
private GremlinServerSingleton gremlinServerSingleton;
private GremlinGroovyShellSingleton shell;
@Mock private TransactionalGraphEngine dbEngine;
protected final List<Vertex> expectedResult = new ArrayList<>();
//expectedResultForMaps is for when the query returns a HashMap, not a Vertex
protected String expectedResultForMaps = new String();
protected final EdgeRules rules = EdgeRules.getInstance();
protected Loader loader;
public QueryTest() throws AAIException, NoEdgeRuleFoundException {
setUp();
logger = EELFManager.getInstance().getLogger(getClass());
}
public void setUp() throws AAIException, NoEdgeRuleFoundException {
System.setProperty("AJSC_HOME", ".");
System.setProperty("BUNDLECONFIG_DIR", "bundleconfig-local");
MockitoAnnotations.initMocks(this);
graph = TinkerGraph.open();
createGraph();
gremlinServerSingleton = GremlinServerSingleton.getInstance();
shell = GremlinGroovyShellSingleton.getInstance();
loader = LoaderFactory.createLoaderForVersion(ModelType.MOXY, Version.getLatest());
}
public void run() {
this.run(false);
}
public void run(boolean isHashMap) {
String query = gremlinServerSingleton.getStoredQueryFromConfig(getQueryName());
Map<String, Object> params = new HashMap<>();
addParam(params);
when(dbEngine.getQueryBuilder(any(QueryStyle.class))).thenReturn(new GremlinTraversal<>(loader, graph.traversal()));
logger.info("Stored query in abstraction form {}", query);
query = GroovyQueryBuilderSingleton.getInstance().executeTraversal(dbEngine, query, params);
logger.info("After converting to gremlin query {}", query);
query = "g" + query;
GraphTraversal<Vertex, Vertex> g = graph.traversal().V();
addStartNode(g);
params.put("g", g);
//Certain custom queries return HashMaps instead of Vertex; different code must used for both cases to avoid a ClassCastException
if(!isHashMap) {
GraphTraversal<Vertex, Vertex> result = (GraphTraversal<Vertex, Vertex>)shell.executeTraversal(query, params);
List<Vertex> vertices = result.toList();
logger.info("Expected result set of vertexes [{}]", convert(expectedResult));
logger.info("Actual Result set of vertexes [{}]", convert(vertices));
List<Vertex> nonDuplicateExpectedResult = new ArrayList<>(new HashSet<>(expectedResult));
vertices = new ArrayList<>(new HashSet<>(vertices));
nonDuplicateExpectedResult.sort(Comparator.comparing(vertex -> vertex.id().toString()));
vertices.sort(Comparator.comparing(vertex -> vertex.id().toString()));
// Use this instead of the assertTrue as this provides more useful
// debugging information such as this when expected and actual differ:
// java.lang.AssertionError: Expected all the vertices to be found
// Expected :[v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10], v[11], v[12]]
// Actual :[v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10], v[11], v[12]]
assertEquals("Expected all the vertices to be found", nonDuplicateExpectedResult, vertices);
}
else {
GraphTraversal<HashMap<String,Long>, HashMap<String,Long>> result = (GraphTraversal<HashMap<String,Long>, HashMap<String,Long>>)shell.executeTraversal(query, params);
String map = result.toList().toString();
System.out.println(map);
assertTrue("all hash maps found", map.equals(expectedResultForMaps) && expectedResultForMaps.equals(map));
}
}
private String convert(List<Vertex> vertices){
return vertices
.stream()
.map(vertex -> vertex.property("aai-node-type").value().toString())
.collect(Collectors.joining(","));
}
protected abstract void createGraph() throws AAIException, NoEdgeRuleFoundException;
protected abstract String getQueryName();
protected abstract void addStartNode(GraphTraversal<Vertex, Vertex> g);
protected abstract void addParam(Map<String, Object> params);
}
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